Finding the Fourth Proportional to 1,790,087.76, 2,470,341.24 and 974,296.62
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Solution
The fourth proportional to 1,790,087.76, 2,470,341.24 and 974,296.62 is: 1,344,540.29
Step by Step Solution
- Step 1: Write the proportion equation
1,790,087.76 : 2,470,341.24 = 974,296.62 : x - Step 2: Convert to fraction form
1,790,087.76/2,470,341.24 = 974,296.62/x - Step 3: Cross multiply
1,790,087.76x = 2,470,341.24 × 974,296.62 - Step 4: Simplify right side
1,790,087.76x = 2,406,845,120,378.61 - Step 5: Solve for x
x = 2,406,845,120,378.61/1,790,087.76 - Step 6: Final answer
x = 1,344,540.29
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.